Performance Improvement 2008. What Was the Prevalence of Substance Use, Abuse, Dependence and Mental Health Problems in 2004 and 2005?


Researchers prepared State estimates for 23 measures of substance use or mental health problems based on the 2004 and 2005 National Surveys on Drug Use and Health. The surveys are ongoing and cover the civilian, non-institutionalized population of the United States aged 12 years or older. Interview data from approximately 136,100 persons were collected in 2004-2005. Separate estimates have been produced for four age groups: 12-17, 18-25, over 25, and over 11.

Estimates of past month use of illicit drugs ranged from a low of 5.9 percent in Iowa to a high of 12.2 percent in Alaska for all persons aged 12 or older in 2004-2005. Five States showed significant decreases in past month use of illicit drugs among youths: California (from 12.1 to 10.6 percent), Michigan (from 12.3 to 10.6 percent), New Mexico (from 16.2 to 13.0 percent), North Dakota (from 10.8 to 8.5 percent), and Washington (from 11.7 to 9.6 percent). This study estimated substance dependence, abuse, and treatment need; mental heath; and alcohol and tobacco use.

Report Title: State Estimates of Substance Use from the 2004-2005 National Surveys on Drug Use and Health,
Agency Sponsor:
SAMHSA, Substance Abuse and Mental Health Services Administration
Federal Contact: Art Hughes, 240-276-1261
RTI International

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"PerformanceImprovement2008.pdf" (pdf, 1.29Mb)

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